AGW Gas Ltd provides trusted, reliable boiler, heating, plumbing, and air conditioning services in Chepstow, Monmouthshire, delivered by experienced local heating engineers.
Air Conditioning installation, repair and maintenance for your home.
All heating work is carried out by fully qualified, Gas Safe registered heating engineers, ensuring every installation, repair, and service meets current safety standards. We work with trusted manufacturers and install energy-efficient heating systems, with extended warranties available where applicable.
From boilers and central heating to hot water systems and heating upgrades, AGW Gas Ltd is your local heating engineering specialist in Chepstow.
Worcester Bosch is one of the UK’s most trusted boiler manufacturers, known for producing reliable, energy-efficient heating for homes of all sizes. As Worcester Bosch Accredited Installers, AGW Gas Ltd can supply, install, service and repair the latest Worcester Bosch boiler range throughout Chepstow and the surrounding areas.
Popular models include the Greenstar 8000 Style, Greenstar 4000, Greenstar 2000 and Greenstar CDi Compact ranges. Many Worcester Bosch boilers are designed to be compatible with future hydrogen-blend fuel supplies, helping homeowners prepare for a more sustainable future.
Whether you’re replacing an older boiler or installing a new heating system, Worcester Bosch boilers offer excellent efficiency, performance and manufacturer-backed warranties
Vaillant boilers are recognised throughout the UK for their efficiency, reliability and innovative heating technology. With a reputation built on over 140 years of engineering expertise, Vaillant offers a range of combi, system and regular boilers suitable for modern homes and larger properties alike.
Popular models include the ecoTEC Plus, ecoTEC Exclusive and ecoFIT Pure ranges, all designed to deliver dependable heating and hot water while helping to reduce energy consumption. Many Vaillant boilers are also ready for future low-carbon heating developments, including hydrogen-blend compatibility.
AGW Gas Ltd provides professional Vaillant boiler installation, servicing and repairs across Chepstow, helping homeowners get the most from their heating systems.
Boiler breakdown in Chepstow?
Our local Gas Safe registered engineers offer rapid-response boiler repairs across Chepstow and the surrounding area.
We’ll diagnose the problem quickly and get your heating and hot water back up and running as soon as possible.
Air conditioning is becoming increasingly popular in UK homes, providing efficient cooling during summer and comfortable heating during colder months. Modern air conditioning systems are quiet, energy-efficient and can help improve indoor air quality by filtering dust, allergens and airborne particles.
Domestic air conditioning can be installed in bedrooms, living rooms, home offices, conservatories, loft conversions, garden rooms and open-plan living spaces. Whether you need climate control for a single room or a complete whole-home solution, modern systems can be tailored to suit your property and lifestyle.
From single-room installations to whole-home climate control systems, domestic air conditioning offers year-round comfort and greater control over your home’s temperature. Many modern systems use advanced inverter technology to reduce energy consumption while maintaining consistent performance.
AGW Gas Ltd installs, services and repairs domestic air conditioning systems throughout Chepstow, helping homeowners stay comfortable whatever the season.
A reliable central heating system is essential for keeping your home warm, comfortable and energy-efficient throughout the year. Whether you’re upgrading an older system, replacing radiators, or installing central heating in a property for the first time, a professionally designed system can improve performance and reduce running costs.
Modern central heating systems provide consistent heat throughout the home and can be combined with smart controls to give greater control over energy usage. From boilers and radiators to pipework, pumps and heating controls, every component plays an important role in delivering efficient and dependable heating.
AGW Gas Ltd provides central heating installation, repairs, upgrades and maintenance across Chepstow and the surrounding areas. Our experienced heating engineers can help with everything from radiator replacements and system upgrades to complete central heating installations.
Our heating and cooling services cover everything you need to keep your home or business comfortable and efficient:
AGW Gas Ltd is a family-run business with strong local roots. All our engineers are fully qualified, insured, and known for their professional, reliable service. With £2 million public liability insurance and a guarantee on every job, you’ll have complete peace of mind when choosing us.
When you work with AGW Gas Ltd, you benefit from:
We only install and maintain systems from leading manufacturers such as Worcester Bosch and Vaillant. That means:
Get a Fixed Quote in Minutes Planning a new installation? Use our online tool to get a boiler installation quote tailored to your home in Chepstow. No hidden costs, just clear, honest pricing.
“AGW Gas Ltd installed our new boiler in Chepstow and the service was excellent from start to finish. The engineer arrived on time, explained everything clearly, and left the house spotless. We wouldn’t hesitate to recommend them.”
— Sarah M., Chepstow
We provide heating and boiler services across Chepstow and the surrounding areas. From the historic town centre near Chepstow Castle to the newer residential developments in Bulwark and Sedbury, our local engineers regularly work throughout the area.
We also cover nearby locations including:
If you’re based in or around Chepstow and unsure whether we cover your location, just get in touch – chances are we already work nearby.
We will only use the details you provide to us about you or your company directly in connection with the services we provide to you.
Yes – we offer a quick-response breakdown service across NP16 and surrounding areas.
Most new boilers are fitted within one to two days.
Yes – we’ll safely dispose of your old system and leave your property tidy.
Yes – as accredited installers, we can also offer extended manufacturer guarantees.
The system runs quietly and discreetly in the background, keeping your home comfortable.
We recommend booking an annual service for both your boiler and air conditioning system. Regular servicing is essential to:
In Chepstow’s varied climate, where heating is vital in winter and cooling is increasingly useful in summer, an annual service gives peace of mind that your home will stay comfortable all year round.
Yes – most modern systems provide both functions, making them a great year-round solution
Absolutely – all quotes are free, clear, and without obligation.
Wall-mounted split systems are ideal for bedrooms or conservatories, while multi-split units work well for larger homes and offices.
Yes – all our work is backed by our guarantee, along with extended warranties on new Worcester Bosch systems.
Yes, our team includes expert plumbers who handle everything from leaking taps to full bathroom installations.
